Songsmorn Svasti, 1956 <br/><br/>
The effect of listening instruction on the performance on the social studies unit test of Thai sixth graders / 
by Songsmorn Svasti 
 - Carbondale :  Southern Illinois University,  1985 
 - 134 p. ;  21 cm. 
<br/><br/>Thesis (Ph.D) Southern Illinois University, 1985 
<br/><br/>p. 52-56 
<br/><br/><label>ISBN: </label>X920049284 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements--Thailand